
1993 Ford Ranger STX 4.0L Excessive Emissions
inherited this truck from another shop, failing the ASM testing for NOX and HC's. running a base line test i found that fuel trims are going crazy. at idle im watching my o2 sensors and decided to graph my fuel trim also. bank 1 was switching like an o2 sensor...
FIX posted 6/3/2016
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Message Closed w/FIX
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VIN | 1FTCR10X3P |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 5-speed Standard |
Delivery | Fuel Injection |
Symptoms | Excessive Emissions |
Occurs | Under Load |
Message Closed w/FIX
Vehicle Data
1993 Ford Ranger STX
VIN | 1FTCR10X3P |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 5-speed Standard |
Delivery | Fuel Injection |
Symptoms | Excessive Emissions |
Occurs | Under Load |